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Reagents. Sodium thiosulphate 5-aqueous. Specifications

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Niobium pentoxide. Chemical-atomic-emission method for determination of impurity metals

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Wood chemical products. Provision of accuracy for testing methods

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Greases. Method of test for effective viscosity on a rotary viscosimeter

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Kansk-Achincky basin coals for power supply purposes. Specification

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Liquid 'Steol-M'. Specifications

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